Dry Biological Systems - 1st Edition - ISBN: 9780121980801, 9780323153829

Dry Biological Systems

1st Edition

Editors: John Crowe
eBook ISBN: 9780323153829
Imprint: Academic Press
Published Date: 1st January 1978
Page Count: 368
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Dry Biological Systems contains the proceedings of the 1977 American Institute of Biological Sciences symposium held in East Lansing, Michigan. Divided into seven parts encompassing 17 chapters, the book focuses on the adaptive strategy phenomenon of organisms under dry state or absence of water. The book answers several fundamental questions on dry biological systems, such as how an organism achieve a state that destroys most living systems; what adaptations permit the survival of dehydration; and what activities occur in the dry organisms.
After briefly discussing the nature of intracellular water in normal cells, the book examines the ultrastructure of dry organisms, including their metabolic activities during drying, in the dry state, and during rehydration. Parts IV to VI discuss the causes of cell viability loss while in dry, as well as their ecology and enzyme reaction at reduced water activity. Several presentations are made in which freezing and dehydration as stress vectors are compared. Covered papers in the book illustrate the belief that freezing and rehydration can be considered to be the same phenomenon, particularly with respect to the state of intracellular water.

Table of Contents

List of Contributors


I Water in Hydrated Cells

Overview of Our Understanding of Intracellular Water in Hydrated Cells

II Structure of Dry Cells and Organisms

Ultrastructural and Freeze Fracture Studies on Anhydrobiotic Nematodes

Desiccation-Induced Ultrastructural Changes in Drought-Sensitive and Drought-Tolerant Plants

Ultrastructure of Dried Spores

Ultrastructure of Microsporidian Spores and Changes in Spore Membrane Structure Under Different Experimental Conditions

III Hydration-Dependent Metabolic Transitions

Hydration-Dependent Metabolic Transitions and the State of Cellular Water in Artemia

Metabolic Transitions in a Nematode during Induction of and Recovery from Anhydrobiosis

Application of a Volatile Radioactive Tracer to Detect Metabolic Activities in Dry Wild Oat Seeds

Metabolism of a Drought-Tolerant and a Drought-Sensitive Moss: Respiration, ATP Synthesis and Carbohydrate Status

Membranes in Dry and Imbibing Seeds

Development of Respiratory Metabolism in Seeds during Hydration

IV Causes of Death in Dry Organisms

Role of SH and SS Groups in Damage to Biological Systems at Low Water Activities

Effects of Oxygen on Dried Organisms

Dehydration and Freezing as Stress Vectors

V Enzyme Reaction at Reduced Water Activity

Enzyme Kinetics at Low Temperature and Reduced Water Activity

Influence of Water Activity on Enzymic Activity in Biological Systems

VI Ecology of Dry Biological Systems

Ecology of Anhydrobiotic Soil Nematodes


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© Academic Press 1978
Academic Press
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About the Editor

John Crowe

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